This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
Description428-GX-USN 1141251 (26639348656).jpg
428-GX-USN 1141251: North Vietnam. Lieutenant Commander John S. McCain, USN, prisoner of war, held by the North Vietnamese. Photograph received October 1969. U.S. Navy photograph, now in the collections of the National Archives. (2016/04/26).
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.